Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 3978

Complete Software Guide for Junos
3874
®
OS for EX Series Ethernet Switches, Release 10.4
Corporation's sFlow: A Method for Monitoring Traffic in Switched and Routed Networks
(see
http://faqs.org/rfcs/rfc3176.html
Requirements on page 3874
Overview and Topology on page 3874
Configuration on page 3875
Verification on page 3877
Requirements
This example uses the following hardware and software components:
One EX Series switch
Junos OS Release 9.3 or later for EX Series switches
Overview and Topology
sFlow technology is a statistical-sampling–based network monitoring technology for
high-speed switched or routed networks. sFlow technology samples network packets
and sends the samples to a monitoring station. You can specify sample rates for ingress
and egress packets. The information gathered is used to create a network traffic visibility
picture.
An sFlow monitoring system consists of an sFlow agent embedded in the switch and a
centralized collector. The sFlow agent runs on the switch. It combines interface counters
and flow samples and sends them across the network to the sFlow collector. Figure 95
on page 3875 depicts the basic elements of the sFlow system.
).
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